I would not remove him from the enclosure to feed as this might well cause more stress responses. Ball pythons are ambush hunters and hunt best when in their own enclosure and often times from within their hide.

I pre-scent with the prey in a bag thawing by the snake environment. When the rodent has thawed, open the bag and leave it open for at least 30 minutes so that the snake will know what is going on.

It might helps us to help you better if you describe the enclosure that the snake is in and how you're measuring temps, humidity, etc.

For now, indeed wait a week and let your snake settle in more